The results of long-term follow-up of surgical site infection (SSI) after aesthetical breast surgery are reported. 205 consecutive patients operated from 1/2000 to 3/2002 were followed for at least one year. Postoperative incidents were observed in 26 (12.7%) patients, including SSI in six (2.9%) patients. After surgery, the mean time to SSI was 113 days, with only two cases in the first postoperative month. In all SSI cases, no antibiotic prophylaxis had been given. The causative role of infectious agents in breast implant capsule occurrence is under investigation.